131774-53-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131774-53-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,7,7 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 131774-53:
(8*1)+(7*3)+(6*1)+(5*7)+(4*7)+(3*4)+(2*5)+(1*3)=123
123 % 10 = 3
So 131774-53-3 is a valid CAS Registry Number.
InChI:InChI=1/C61H88O17/c1-30-25-40-54(4,21-15-39-57(40,7)31(2)26-42(58(39,8)52(70)71)75-51-48(74-10)46(66)45(65)47(76-51)49(67)68)35-13-19-53(3)36(56(30,35)6)16-22-59(28-62)37(53)14-20-55(5)38(59)17-23-60(29-63)41(55)27-32-34(77-60)12-11-33-44(32)50(69)78-61(33,72)24-18-43(64)73-9/h11-12,30-31,35-42,45-48,51,62-63,65-66,72H,13-29H2,1-10H3,(H,67,68)(H,70,71)